USD $8.20-8.80 / Kilogram
USD $1.00-10.00 / Kilogram
product name: t21 - polyoxyethylene (4) sorbitan monolaurate
1. appearance light yellow to yellow oily liquid.
2. other names tween 21; polysorbate 21
3. hlb value 13.3
4. technical specification
parameters |
unit |
standard value |
acid value |
mg koh/g |
≤3.0 |
saponification value |
mg koh/g |
100~115 |
hydroxyl value |
mg koh/g |
220~250 |
moisture |
w/% |
≤3.0 |
5. packaging
25kg, 220kg/ plastic drum net weight. (other packages are available upon request.)
6. storage and preservation
preserved dry at room temperature, avoid sunlight.
7. shelf life 2 years